Antimicrobial compositions including carboxylic acids and alkoxylated amines

• US 20050032668A1
• Filed: 08/04/2003
• Published: 02/10/2005
• Est. Priority Date: 08/04/2003
• Status: Active Grant

• Current Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Original Assignee: Ecolab, Inc.
• Inventors: Man, Victor F., Lentsch, Steven E., Pedersen, Daniel E., Herdt, Brandon, Hammerberg, Jessica S.
• Granted Patent: US 7,341,983 B2
• Time in Patent Office: Days
• US Class Current: 510/499
• CPC Class Codes: A01N 2300/00 Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
• CPC Class Codes: A01N 25/30 characterised by the surfactants
• CPC Class Codes: A01N 33/08 containing oxygen or sulfur
• CPC Class Codes: A01N 37/02 Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
• CPC Class Codes: A61P 31/00 Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
• CPC Class Codes: A61P 31/04 Antibacterial agents
• CPC Class Codes: A61P 31/10 Antimycotics
• CPC Class Codes: A61P 31/12 Antivirals
• CPC Class Codes: A61P 33/00 Antiparasitic agents
• CPC Class Codes: C08K 5/0008 Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59

Abstract

The present invention relates to antimicrobial compositions including carboxylic acids, such as fatty acid antimicrobial agents, and alkoxylated amines, and to methods using these compositions.

Claims

1. A composition comprising:

carboxylic acid antimicrobial agent; and

alkoxylated amine.

2. The composition of claim 1, wherein the carboxylic acid antimicrobial agent comprises a C₆-C₁₄ alkyl carboxylic acid, or salt or ester thereof.

3. The composition of claim 2, wherein the C₆-C₁₄ alkyl carboxylic acid comprises octanoic acid, heptanoic acid, decanoic acid, dodecanoic acid, myristic acid, or mixture thereof.

4. The composition of claim 2, wherein the C₈-C₁₄ alkyl carboxylic acid comprises octanoic acid.

5. The composition of claim 1, wherein the alkoxylated amine comprises ether alkoxylated amine, alkyl alkoxylated amine, or mixture thereof.

6. The composition of claim 5, wherein the alkoxylated amine comprises ether alkoxylated amine of Formula III:

7. The composition of claim 5, wherein the alkoxylated amine comprises ether alkoxylated amine comprising:

C₁₂ to C₁₄ propoxy amine ethoxylate of the formula;

R—

(PO)₁₀N[EO]_2.5—

H[EO]_2.5—

H;

C₁₂ to C₁₄ propoxy amine ethoxylate of the formula;

R—

(PO)₅N[EO]_2.5—

H[EO]_2.5—

H;

C₁₂ to C₁₄ propoxy amine ethoxylate of the formula;

R—

(PO)₂N[EO]_2.5—

H[EO]_2.5—

H;

poly (5) oxyethylene isodecyloxypropylamine, which has a branched C₁₀H₂₁ alkyl group off the ether oxygen;

iso-(2-hydroxyethyl) isodecyloxypropylamine, which has a branched C₁₀H₂₁ alkyl group off the ether oxygen;

or mixture thereof.

8. The composition of claim 5, wherein the alkoxylated amine comprises alkyl alkoxylated amine of Formula V:

9. The composition of claim 8, wherein the alkyl alkoxylated amine has Formula VI:

10. The composition of claim 9, wherein the alkyl alkoxylated amine comprises N,N-bis-2(omega-hydroxypolyoxyethylene/polyoxypropylene)ethyl alkylamine (CAS number 68213-26-3).

11. The composition of claim 9, wherein the alkyl alkoxylated amine has chemical formula C₆₄H₁₃₀O₁₈.

12. The composition of claim 1, further comprising acidulant.

13. The composition of claim 12, wherein the acidulant comprises phosphoric acid, citric acid, lactic acid, sulfuric acid, nitric acid, hydroxyacetic acid, gluconic acid, oxalic, formic acid, glutaric acid, malic acid, hydroxy propionic acid, succinic acid, adipic acid, fumaric acid, fumaric or a mixture thereof.

14. The composition of claim 12, wherein the acidulant comprises phosphoric acid, citric acid, lactic acid, or a mixture thereof.

15. The composition of claim 1, further comprising surfactant.

16. The composition of claim 15, wherein the surfactant comprises anionic surfactant, amphoteric surfactant, nonionic surfactant, or mixture thereof.

17. The composition of claim 16, comprising anionic surfactant, the anionic surfactant comprising alkyl sulfonate, alkylaryl sulfonate, alcohol alkoxylate carboxylate, sarcosinate, taurate, acyl amino acid, alkanoic ester, phosphate ester, sulfuric acid ester, salt or ester thereof, or mixture thereof.

18. The composition of claim 16, comprising amphoteric surfactant, the amphoteric surfactant comprising acyl amino acid, N-alkyl amino acid, salt or ester thereof, or mixture thereof.

19. The composition of claim 16, comprising nonionic surfactant, the nonionic surfactant comprising alcohol alkoxylate, arylacyl alkoxylate, amine oxide, alkoxide condensate;

EOPO block, reverse, or heteric polymer polysaccharide ether;

or mixture thereof.

20. The composition of claim 19, wherein the alcohol alkoxylate comprises C₉-C₁₂ linear ethoxylate with 7 moles EO average, C₉-C₁₂ linear ethoxylate with 3 moles EO average, or mixture thereof.

21. The composition of claim 15, wherein the surfactant comprises cocoamidopropyl betaine.

22. The composition of claim 1, further comprising solvent.

23. The composition of claim 22, wherein the solvent comprises isopropyl alcohol.

24. The composition of claim 1, further comprising diluent.

25. The composition of claim 24, wherein the diluent comprises water.

26. The composition of claim 1, further comprising sequestrant.

27. The composition of claim 26, wherein the sequestrant comprises aminomethylene triphosphonic acid or 1-hydroxy ethylidene-1,1-diphosphonic acid.

28. A method of reducing microbial population on an object, comprising contacting the object with a composition comprising:

carboxylic acid antimicrobial agent; and

alkoxylated amine.